1644920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 4082400

約数和(自身を除く): 2437480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 59, 68, 82, 85, 118, 136, 164, 170, 205, 236, 295, 328, 340, 410, 472, 590, 680, 697, 820, 1003, 1180, 1394, 1640, 2006, 2360, 2419, 2788, 3485, 4012, 4838, 5015, 5576, 6970, 8024, 9676, 10030, 12095, 13940, 19352, 20060, 24190, 27880, 40120, 41123, 48380, 82246, 96760, 164492, 205615, 328984, 411230, 822460, 1644920]

約数ペア:

[(1, 1644920), (2, 822460), (4, 411230), (5, 328984), (8, 205615), (10, 164492), (17, 96760), (20, 82246), (34, 48380), (40, 41123), (41, 40120), (59, 27880), (68, 24190), (82, 20060), (85, 19352), (118, 13940), (136, 12095), (164, 10030), (170, 9676), (205, 8024), (236, 6970), (295, 5576), (328, 5015), (340, 4838), (410, 4012), (472, 3485), (590, 2788), (680, 2419), (697, 2360), (820, 2006), (1003, 1640), (1180, 1394)]